SOLUTION: Use the discriminant to determine if the equation can be solved by factoring. If the equation can be solved by factoring, then factor it. {{{9k^2+6k+1=0}}}

Algebra ->  Equations -> SOLUTION: Use the discriminant to determine if the equation can be solved by factoring. If the equation can be solved by factoring, then factor it. {{{9k^2+6k+1=0}}}      Log On


   



Question 48288: Use the discriminant to determine if the equation can be solved by factoring. If the equation can be solved by factoring, then factor it.
9k%5E2%2B6k%2B1=0

Answer by venugopalramana(3286) About Me  (Show Source):
You can put this solution on YOUR website!
Use the discriminant to determine if the equation can be solved by factoring. If the equation can be solved by factoring, then factor it.
9k^2+6k+1=0
discr.=(6)^2-4*9*1=36-36=0....perfect square...equal roots ....equal to ...-6/2*9=-6/18=-1/3
hence.....9k^2+6k+1=(3k+1)^2